Lua APA (7ú heag.)

Elshafei, A. (1969). Part Period Algorithm. The Institute of National Planning.

Lua i Stíl Chicago (17ú heag.)

Elshafei, Alwalid. Part Period Algorithm. Cairo: The Institute of National Planning, 1969.

Lua MLA (9ú heag.)

Elshafei, Alwalid. Part Period Algorithm. The Institute of National Planning, 1969.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.